So I just got my yocan w2....
One of the two coils does not fire. That sucks, but oh well.
I checked the OHM on the one that worked at its coming in at .6. So pretty damn low, so if you are going to use ego batteries you will prob ruin them. Hence why they are selling their own battery, im sure its safe for sub ohm.
That being said, I just loaded a dab on it and hit it. Pretty smooth, pretty good flavor, but not the biggest hit. Placed another dab on and tried to hit it again. It works but I dont think Im hitting all the oil or something. More experimenting is needed. Either way its built really well. I love the top cap that screws on with the tiny hole. Im sure that is to help with the cooling down of the heater.
Ill post back with more findings later.